LH538700AD Просмотр технического описания (PDF) - Sharp Electronics

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Компоненты Описание

производитель

LH538700AD

CMOS 8M (1M × 8) MROM

Sharp Electronics 

LH538700A

PRELIMINARY

AC CHARACTERISTICS (VCC = 5 V ±10%, TA = 0°C to +70°C)

PARAMETER

SYMBOL

MIN.

MAX.

UNIT

NOTE

Read cycle time

tRC

100

ns

Address access time

tAA

100

ns

Chip enable access time

tACE

100

ns

Output enable delay time

tOE

50

ns

Output hold time

tOH

5

ns

CE to output in High-Z

tCHZ

40

ns

1

OE to output in High-Z

tOHZ

40

ns

1

NOTE:

1. This is the time required for the output to become high-impedance.

AC TEST CONDITIONS

PARAMETER

Input voltage amplitude

Input rise/fall time

Input/output reference level

Output load condition

RATING

0.4 V to 2.6 V

10 ns

1.5 V

1TTL + 100 pF

CAUTION

To stabilize the power supply, it is recommended that

a high-frequency bypass capacitor be connected be-

tween the VCC pin and the GND pin.

tRC

A0 - A19

CE

OE

tAA

(NOTE)

tACE

(NOTE)

tOE

(NOTE)

tCHZ

tOHZ

tOH

D0 - D7

DATA VALID

NOTE: The output data becomes valid when the last

intervals, tAA, tACE, or tOE, have concluded.

Figure 4. Timing Diagram

CMOS 8M MROM

538700A-4

4

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